Microscopic characteristics and geological significance of pyrite in shales of the Wufeng-Longmaxi formations, southeastern Chongqing, China

• Published in: Energy Geoscience Vol. 5; no. 3; p. 100285
• Main Authors: Cai, Xiao, Xia, Wei, Liu, Yuxia, Liao, Shunzhou, Zhang, Lei, Hu, Weixue, Liu, Li, Li, Wei, Zeng, Fanwu
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.07.2024; KeAi Communications Co., Ltd
• Subjects: Geological significance; Microscopic characteristics; Pyrite; Shale; Wufeng-Longmaxi formations; Wufeng-Longmaxi formations; Pyrite; Microscopic characteristics; Shale; Geological significance

Shales of the Wufeng-Longmaxi formations in the basin-margin transition zone of southeastern Chongqing, China are characterized by high organic matter content and a significant presence of pyrite development. By examining numerous scanning electron microscope (SEM) images and considering the crystal...